"I just don't understand what that conversation is about," he said, describing some financiers as "people who sit in front of a flickering green screen ... and they make decisions on a carefully constructed, but nevertheless speculative, basis about three-basis-point movements." Though confessing that "I don't know how to do that," he quickly asserted that "I probably could learn in about a couple weeks." Those traders, he said, "are not the sort of people you would want to help you think about complex questions."